Astrazeneca AB has disclosed proteolysis targeting chimera (PROTAC) compounds comprising an E3 ubiquitin ligase-binding moiety coupled to an interleukin-1 receptor-associated kinase 4 (IRAK-4)-targeting moiety through a linker acting as IRAK-4 degradation inducers reported to be useful for the treatment of cancer, inflammation, autoimmune diseases and respiratory disorders.